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Ranunculus orthorhynchus var. orthorhynchus


Higher Taxonomy
Family: RanunculaceaeView DescriptionDichotomous Key
Common Name: BUTTERCUP FAMILY
Habit: Annual, perennial herb, woody vine [shrub], occasionally aquatic. Leaf: generally basal and cauline, alternate or opposite, simple or compound; petioles at base generally flat, occasionally sheathing or stipule-like. Inflorescence: cyme, raceme, panicle, or flowers 1. Flower: generally bisexual, generally radial; sepals 3--6(20), free, early-deciduous or withering in fruit, generally green; petals 0--many, generally free; stamens generally 5--many, staminodes generally 0; pistils 1--many, ovary superior, chamber 1, style 0--1, generally +- persistent as beak, ovules 1--many. Fruit: achene, follicle, berry, +- utricle in Trautvetteria, in aggregate or not, 1--many-seeded.
Genera In Family: +- 60 genera, 1700 species: worldwide, especially northern temperate, tropical mountains; many ornamental (Adonis, Aquilegia, Clematis, Consolida, Delphinium, Helleborus, Nigella). Toxicity: some highly TOXIC (Aconitum, Actaea, Delphinium, Ranunculus). Note: Taxa of Isopyrum in TJM (1993) moved to Enemion; Kumlienia moved to Ranunculus.
eFlora Treatment Author: Margriet Wetherwax & Dieter H. Wilken, family description, key to genera
Scientific Editor: Douglas H. Goldman, Bruce G. Baldwin.
Genus: RanunculusView DescriptionDichotomous Key

Common Name: BUTTERCUP
Habit: Annual to perennial herb, occasionally from stolons or caudices, terrestrial or aquatic; roots generally fibrous. Stem: prostrate to erect. Leaf: basal, cauline, or both, alternate, generally reduced upward; petiole base flat, stipule-like or not; basal, proximal cauline petioles generally long; blades simple to dissected or compound, entire to toothed. Inflorescence: cyme, axillary or terminal, 1--few-flowered. Flower: sepals 3--5(6), generally early-deciduous, generally green to yellow or purple; petals 0--17[(150)], shiny, generally yellow, occasionally white or purple, nectaries near base, pocket-like or with flap-like scale; anthers yellow; pistils generally many. Fruit: achene, compressed or not, +- spheric, disk-like (width 3--15 × depth), or lenticular (width 1--2 × depth), beaked.
Species In Genus: +- 300 species: worldwide except lowland tropics; some ornamental. Etymology: (Latin: diminutive of Rana, frog, from wet habitats)
eFlora Treatment Author: Alan T. Whittemore
Species: Ranunculus orthorhynchusView Description 


Habit: Perennial herb 15--50(85) cm, +- erect or decumbent, not rooting at nodes. Leaf: basal, proximal cauline 2.8--12.5 cm, 2.5--14 cm wide, ultimate segments round to linear, entire to dentate or crenate, tip rounded to narrowly acute; distal cauline much-reduced, deeply parted or compound. Flower: receptacle bristly; sepals 5, reflexed 1--2 mm from base, 5--11 mm, 2--4 mm wide, early-deciduous; petals 5--6, 8--18 mm, yellow or red abaxially, yellow adaxially. Fruit: body 2.8--4.5 mm, disk-like, wall thick, smooth, beak 1.8--3.8(4.8) mm, straight, narrowly lanceolate to awl-shaped.

Ranunculus orthorhynchus Hook. var. orthorhynchus
NATIVE
Leaf: basal leaves narrowly ovate to semicircular, 1-ternate or -pinnate, leaflets 3--5, 1--2 × lobed or parted, segments elliptic to linear, entire to dentate-lobed, obtuse to narrowly acute. Flower: petals 4--6 mm wide, rounded, generally red abaxially. Fruit: beak 3--3.8(4.8) mm; aggregate 5--7 mm, hemispheric, occasionally spheric.
Ecology: Meadows, marshy areas; Elevation: < 2200 m. Bioregional Distribution: NW, CaRH, SNH, MP; Distribution Outside California: to Alaska. Flowering Time: Mar--Aug
Synonyms: Ranunculus orthorhynchus var. hallii Jeps.
Jepson eFlora Author: Alan T. Whittemore
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Botanical illustration including Ranunculus orthorhynchus var. orthorhynchus

botanical illustration including Ranunculus orthorhynchus var. orthorhynchus

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Citation for this treatment: Alan T. Whittemore 2012, Ranunculus orthorhynchus var. orthorhynchus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=64957, accessed on November 13, 2019.

Citation for the whole project: Jepson Flora Project (eds.) 2019, Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on November 13, 2019.

Ranunculus orthorhynchus var. orthorhynchus
click for enlargement
© 2008 Keir Morse
Ranunculus orthorhynchus var. orthorhynchus
click for enlargement
© 2016 Keir Morse
Ranunculus orthorhynchus var. orthorhynchus
click for enlargement
© 2008 George W. Hartwell
Ranunculus orthorhynchus var. orthorhynchus
click for enlargement
© 2009 Barry Breckling
Ranunculus orthorhynchus var. orthorhynchus
click for enlargement
© 2008 George W. Hartwell
Ranunculus orthorhynchus var. orthorhynchus
click for enlargement
© 2009 Aaron Schusteff

More photos of Ranunculus orthorhynchus var. orthorhynchus in CalPhotos



Geographic subdivisions for Ranunculus orthorhynchus var. orthorhynchus:
NW, CaRH, SNH, MP
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map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).





 

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Data provided by the participants of the  Consortium of California Herbaria.
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All markers link to CCH specimen records. The original determination is shown in the popup window.
Blue markers indicate specimens that map to one of the expected Jepson geographic subdivisions (see left map). Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time.